diff options
| author |   Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2010-12-15 07:30:51 -0800 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2010-12-16 15:22:30 -0500 |
| commit | 8698bca6b53d1f6641850b270de9c953078ed1ce (patch) | |
| tree | a4d1fa53c6f4588bd27d3e89716512a8c78a80eb /drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | |
| parent | ath9k_hw: Tx IQ cal changes for AR9003 (diff) | |
| download | linux-dev-8698bca6b53d1f6641850b270de9c953078ed1ce.tar.xz linux-dev-8698bca6b53d1f6641850b270de9c953078ed1ce.zip | |
ath9k_hw: Add a helper to get paprd scale factor
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_eeprom.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 4149ffb6d54a..9fa5793abd27 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -4843,6 +4843,27 @@ u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is_2ghz) return eep->modalHeader5G.spurChans; } +unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah, + struct ath9k_channel *chan) +{ + struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; + + if (IS_CHAN_2GHZ(chan)) + return MS(le32_to_cpu(eep->modalHeader2G.papdRateMaskHt20), + AR9300_PAPRD_SCALE_1); + else { + if (chan->channel >= 5700) + return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20), + AR9300_PAPRD_SCALE_1); + else if (chan->channel >= 5400) + return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt40), + AR9300_PAPRD_SCALE_2); + else + return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt40), + AR9300_PAPRD_SCALE_1); + } +} + const struct eeprom_ops eep_ar9300_ops = { .check_eeprom = ath9k_hw_ar9300_check_eeprom, .get_eeprom = ath9k_hw_ar9300_get_eeprom, |